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Title:Determination of the maximum CO2 sequestration capacity of Slovenian waste ashes using thermogravimetry and calcimetry
Authors:ID Tominc, Sara (Author)
ID Ducman, Vilma (Author)
Files:URL URL - Source URL, visit https://press.um.si/index.php/ump/catalog/book/949/chapter/248
 
URL URL - Research data, visit http://hdl.handle.net/20.500.12556/DiRROS-20544
Description: Raziskovalni podatki
 
.pdf PDF - Presentation file, download (700,64 KB)
MD5: 64D400AEF3EE72FB684BADF9D9FFA986
 
Language:English
Typology:1.08 - Published Scientific Conference Contribution
Organization:Logo ZAG - Slovenian National Building and Civil Engineering Institute
Abstract:There are several ways to utilize as-received or pre-treated waste ash, one of the most promising is by accelerated mineral carbonation. Ashes with a high content of Ca and Mg compounds, such as ashes from wood biomass, are ideal candidates for sequestration. Due to the shift toward renewable fuels, ash from biomass as a by-product of solid fuel combustion is therefore available in huge quantities. As part of the EU AshCycle project, we have analyzed ashes from different incineration and thermal power plants to determine their carbon sequestration potential. These include various waste ashes from Slovenia, which were subjected to accelerated carbonation in a closed carbonation chamber with a CO2 concentration of 4% (v/v), 80% relative humidity and a temperature of 40 °C until maximum CO2 uptake was reached. CO2 quantification was performed using calcimetry (pressure calcimeter) and thermogravimetry. We have shown that ash from wood biomass and the co-combustion of wood waste and paper sludge have a high CO2 sequestration potential in comparison to others. The direct use of wood biomass ash for CO2 sequestration in carbonated building products could significantly benefit the circular economy, especially since 70% of wood biomass ash is still landfilled.
Keywords:CO2 sequestration capacity, accelerated carbonation, waste ashes, thermogravimetric analysis, calcimetry
Publication status:Published
Publication version:Version of Record
Publication date:03.03.2025
Publisher:University of Maribor, University Press
Year of publishing:2025
Number of pages:Str. 151-160
PID:20.500.12556/DiRROS-21847 New window
UDC:620.1/.2
COBISS.SI-ID:230830339 New window
Copyright:© 2025 Univerza v Mariboru, Univerzitetna založba
Note:Nasl. z nasl. zaslona; Opis vira z dne 31. 3. 2025;
Publication date in DiRROS:07.04.2025
Views:112
Downloads:60
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TOMINC, Sara and DUCMAN, Vilma, 2025, Determination of the maximum CO2 sequestration capacity of Slovenian waste ashes using thermogravimetry and calcimetry. In : 7th International Conference on Technologies & Business Models for Circular Economy [online]. Published Scientific Conference Contribution. Maribor : University of Maribor, University Press. 2025. p. 151–160. [Accessed 21 April 2025]. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=21847
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Record is a part of a monograph

Title:7th International Conference on Technologies & Business Models for Circular Economy : conference proceedings
Editors:Sanja Potrč, Miloš Bogataj, Zdravko Kravanja, Zorka Novak-Pintarič
Place of publishing:Maribor
Publisher:University of Maribor, University Press
Year of publishing:2025
ISBN:978-961-286-959-5
COBISS.SI-ID:227616771 New window

Document is financed by a project

Funder:EC - European Commission
Funding programme:HE
Project number:101058162
Name:Integration of Underutilized Ashes into Material Cycles by Industry-Urban Symbiosis
Acronym:AshCycle

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

Secondary language

Language:Slovenian
Keywords:zmogljivost sekvestracije CO2, pospešena karbonatizacija, odpadni pepeli, termogravimetrična analiza, kalcimetrija


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